RFR: 8320563: Remove D3D9 code paths in favor of D3D9Ex [v3]

[Nir Lisker]

On Fri, 26 Apr 2024 07:53:59 GMT, Lukasz Kostyra <lkostyra at openjdk.org> wrote:

>> JFX minimum requirements guarantee 9Ex availability, so old non-Ex paths are no longer needed.
>> 
>> In multiple parts (ex. Mesh, Graphics, etc.) where the Device is acquired I changed the type to explicitly use `IDirect3DDevice9Ex`. Technically it doesn't matter much (`IDirect3DDevice9Ex` inherits `IDirect3DDevice` - it was leveraged to transparently use the Ex device in the backend) but now we don't have the non-Ex device, so that keeps it a bit more consistent and clear IMO.
>> 
>> Verified by running tests on Windows 11, did not notice any regressions. Unfortunately I have no way to test this on older systems.
>
> Lukasz Kostyra has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Change pd3dEx to pd3d9

Marked as reviewed by nlisker (Reviewer).

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PR Review: https://git.openjdk.org/jfx/pull/1445#pullrequestreview-2024451797